Pocketalker Ultra System amplifies sounds closest to the listener while reducing background noise. Ideal for one-on-one conversation, small-group and television listening, or conversing in the car. Use with or without hearing aids. Simply plug in your earpiece, position the microphone near the preferred sound, adjust volume to your comfort – and start listening. May be used with neckloops and telecoil-equipped hearing aids Recommended For One-on-one conversations Small-group listening Television listening Conversations in the car system includes (1) PKT D1 amplifier (1) EAR 013 single mini earbud (1) HED 021 folding headphone (1) BAT 010-2 two AAA alkaline batteries (1) WCA 007 extension cord (1) MIC 014 microphone (1) RCS 003 lanyard *All items can be purchased separately 5 Year Manufacturer Warranty – 90 days on accessories